diff --git a/tools/testing/selftests/bpf/bpf_flow.c b/tools/testing/selftests/bpf/bpf_flow.c
index 5fb809d95867..107350a7821d 100644
--- a/tools/testing/selftests/bpf/bpf_flow.c
+++ b/tools/testing/selftests/bpf/bpf_flow.c
@@ -117,7 +117,7 @@ static __always_inline int parse_eth_proto(struct __sk_buff *skb, __be16 proto)
 }
 
 SEC("dissect")
-int dissect(struct __sk_buff *skb)
+int _dissect(struct __sk_buff *skb)
 {
 	if (!skb->vlan_present)
 		return parse_eth_proto(skb, skb->protocol);